{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "Based on the combined data from the present study and the literature , we suggest that MMC - related cardiotoxicity is dose dependent , occurring at cumulative dose levels of 30 mg m - 2 or more , mainly in patients also ( previously or simultaneously ) treated with doxorubicin ."}
{"Disease": ["cardiotoxicity"], "Chemical": ["MMC", "doxorubicin"]}